Greenville, ME Weather & Growing Conditions
Today
76°F
Sunny
Sunny, with a high near 76. West wind 10 to 17 mph, with gusts as high as 32 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Sunny | 10 to 17 mph W | 0% |
| Tonight | 59°F | Mostly Clear | 3 to 8 mph W | 2% |
| Wednesday | 83°F | Sunny | 5 mph SW | 1% |
| Wednesday Night | 61°F | Partly Cloudy | 0 to 3 mph W | 0% |
| Thursday | 84°F | Mostly Sunny | 2 mph W | 3% |
| Thursday Night | 64°F | Partly Cloudy | 1 mph W | 10% |
| Friday | 82°F | Chance Showers And Thunderstorms | 1 to 5 mph W | 52% |
| Friday Night | 62°F | Chance Showers And Thunderstorms | 3 mph W | 47% |
| Saturday | 81°F | Chance Showers And Thunderstorms | 3 mph W | 30% |
| Saturday Night | 62°F | Chance Showers And Thunderstorms | 2 mph W | 27% |
| Sunday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph W | 15% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 5 mph SW | 25% |
| Monday | 80°F | Chance Rain Showers | 5 to 9 mph W | 45% |
| Monday Night | 57°F | Chance Showers And Thunderstorms | 7 mph W | 42% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Greenville, ME
Last spring frost
May 23
First fall frost
Sep 29
Growing season
128 days
Hardiness zone
4b
Explore more for Greenville, ME: full frost dates · planting calendar · Maine frost dates
Climate data from the nearest NOAA station, Brassua Dam, Me (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.